[*]472. Verbals in -τός, -τή, -τόν either (1) have the meaning of a perfect passive participle, as κρυπτόςhidden, παιδευτόςeducated, or (2) express possibility, as νοητόςthinkable, ὁρα_τόςvisible. Many have either signification, but some are passive only, as ποιητόςdone. See 425 c. N.

a. Usually passive in meaning are verbals from deponent verbs, as μι_μητόςimitated.

b. Usually active in meaning are compounds derived from transitive active verbs; but some intransitive verbs make active verbals, as ῥυτόςflowing.